About 28 results
https://drivepatents.com/patents/965405 · 27 May 2026
The present invention relates to a piston for a pretensioning seatbelt, a seatbelt retractor and a pretensioning seatbelt. The piston comprises: a piston seat comprising a front surface and a first recess recessed from the front surface; and a piston head ...
https://drivepatents.com/patents/1380992 · 16 Apr 2026
A belt retractor for a seatbelt device of a motor vehicle, having a rotatably mounted belt reel, on which a seatbelt of the seatbelt device can be wound up, and having a reversible belt tensioner with a drive wheel, which, upon activation, drives the belt ...
https://drivepatents.com/patents/1378955 · 5 Mar 2026
A modular system () for a belt tensioner () comprising a spur gearing () comprises plural step wheel pairings of a first step wheel () and a second step wheel (), wherein for each of the step wheel pairings the number of teeth of the first step wheel () an...
https://drivepatents.com/patents/1387088 · 28 Jan 2026
The invention concerns a retractor (1) for a seatbelt device comprising:-a frame (3) for fixing the retractor (1) at a vehicle structure or at a vehicle-fixed seat, and-a spindle (2) which is rotatably borne in the frame (3), and-a seatbelt (4), which is w...
https://drivepatents.com/patents/938598 · 24 Aug 2016
The invention relates to a tensioning device (10) for a safety belt, in particular in a motor vehicle, comprising a gas generator (17), a piston (21) guided in a tube (16) which seals a pressure chamber (20) in the tube (16), wherein the pressure chamber (...
https://drivepatents.com/patents/966207 · 17 Dec 2014
In a pretensioner mechanism(36), movement of a piston (88) is anchored by an anchoring pin (42). The anchoring pin (42) is crushed and the piston (88) is allowed to move. Hence, a pinion (50) is turned by a rack (96) of the piston (88). A facilitating cavi...
https://drivepatents.com/patents/969380 · 1 Oct 2014
The belt tensioner drive has a drive unit (3) which drives a screw shaft (13) whose worm gear (10) is fixedly mounted on a torque screw (12) and is rotatably mounted on a winding shaft (4). The torque screw has a tooth portion (a) which is positioned and i...
https://drivepatents.com/patents/976473 · 9 Apr 2014
It is aimed to provide a seatbelt retractor whose manufacturing cost is reduced. A retractor includes a windup drum that winds webbing and a pretensioner unit that causes the windup drum to rotate in a windup direction of the webbing. The pretensioner unit...
https://drivepatents.com/patents/982440 · 30 Oct 2013
A drive arrangement (1) comprising an input (2) from a primary power source (5) and an auxiliary power source (7). The drive arrangement (1) incorporates a DC-DC converter (8) and a motor driver circuit (14). The motor driver circuit (14) is connected to a...
https://drivepatents.com/patents/994128 · 9 Jan 2013
This seat belt device of a vehicle includes a webbing, a belt reel, a motor, a clutch, detection unit, brake control unit and motor control unit. The motor control unit includes a waiting current control unit configured to conduct a current that can mainta...